v3.26.3
Shareholder Report, Holdings (Details)
Aug. 31, 2026
C000171065 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000171065 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 98.20%
C000171065 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [1]
C000172198 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000172198 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 41.50%
C000172198 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000172198 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000172198 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000172198 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000172198 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000172198 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000172198 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000172198 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000172198 [Member] | Others each less than 1 0 Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000172198 [Member] | Commercial Paper [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.50%
C000172198 [Member] | Certificates of Deposit [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000172198 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000172198 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000172198 [Member] | Other Short Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.70%
C000172241 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000172241 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000172241 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 59.60%
C000172241 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 33.90%
C000172241 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000196949 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.90%
C000196949 [Member] | BAHRAIN  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000196949 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000196949 [Member] | COLOMBIA  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000196949 [Member] | DOMINICAN REPUBLIC  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000196949 [Member] | EGYPT  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000196949 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000196949 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000196949 [Member] | NIGERIA  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000196949 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000196949 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000196949 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Total Investments 7.90%
C000196949 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000200807 [Member] | Apartment Building [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.40%
C000200807 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000200807 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.60%
C000200807 [Member] | Hotels [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000200807 [Member] | Office [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000200807 [Member] | Regional Malls [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000200807 [Member] | Shopping Centers [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.20%
C000200807 [Member] | Single Tenant [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.20%
C000200807 [Member] | Storage [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.00%
C000200807 [Member] | Diversified [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.80%
C000200807 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000205212 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.30%
C000205212 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.90%
C000205212 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.20%
C000205212 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000205212 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 31.60%
C000205212 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000205212 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000205212 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000205212 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000205215 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000205215 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.50%
C000205215 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 42.40%
C000205215 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 24.50%
C000205215 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000205215 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000205215 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000205216 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.20%
C000205216 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.20%
C000205216 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 58.60%
C000205216 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.60%
C000205216 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000205216 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000206281 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80%
C000206281 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.50%
C000206281 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.90%
C000206281 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000206281 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000206281 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206281 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000206281 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000206281 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.20%
C000206281 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.20%
C000206281 [Member] | Others each less than 1 0 Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000206281 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000206281 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000206282 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 44.80%
C000206282 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000206282 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.40%
C000206282 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.70%
C000206282 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000206282 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000206282 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000206282 [Member] | Supranational [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000225677 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.70%
C000225677 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.30%
C000225677 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000225677 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000225677 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 29.30%
C000225677 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000225677 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000225677 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000225677 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [2]
C000229632 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.50%
C000229632 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000229632 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.20%
C000229632 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000229632 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 33.30%
C000229632 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.70%
C000229632 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000229632 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000231436 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000231436 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 48.20%
C000231436 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000231436 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000231436 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.80%
C000231436 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.20%
C000231436 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000231436 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000231439 [Member] | Apartment Building [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000231439 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.60%
C000231439 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000231439 [Member] | Hotels [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000231439 [Member] | Office [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000231439 [Member] | Regional Malls [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.20%
C000231439 [Member] | Shopping Centers [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000231439 [Member] | Storage [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000231439 [Member] | Diversified [Member]  
Holdings [Line Items]  
Percent of Total Investments 26.60%
C000231439 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000231439 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000240901 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.70%
C000240901 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000240902 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 99.30%
C000240902 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70%
C000240903 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 98.90%
C000240903 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000241196 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.80%
C000241196 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.20%
C000241196 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.40%
C000241196 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.20%
C000241196 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.70%
C000241196 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000241196 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000241197 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 42.40%
C000241197 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000241197 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000241197 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.70%
C000241197 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.20%
C000241197 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.90%
C000241197 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000241198 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000241198 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.70%
C000241198 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 48.40%
C000241198 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000241198 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000241198 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000244901 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.80%
C000244901 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.60%
C000244901 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000244901 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000244901 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.90%
C000244901 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.40%
C000244901 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000244901 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000255145 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000255145 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80%
C000255145 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 93.40%
C000255145 [Member] | Other each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000257464 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.70%
C000257464 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000257464 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000257464 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.20%
C000257464 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000257464 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.60%
C000257464 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.90%
C000260023 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.70%
C000260023 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50%
C000260023 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000260023 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 38.60%
C000260023 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20%
C000260023 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80%
C000260023 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000260023 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000260023 [Member] | Loan Participations and Assignments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000260023 [Member] | Convertible Bonds [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000263971 [Member] | One Hundred Eighty One Plus calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000263971 [Member] | Ninety One To 180 calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000263971 [Member] | Sixty One To 90 calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000263971 [Member] | Thirty One To 60 calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000263971 [Member] | Eight To 30 calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 35.90%
C000263971 [Member] | Two To 7 calendar days [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000263971 [Member] | One calendar day [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.60%
C000271702 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000271702 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.80%
C000271702 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 59.00%
C000271702 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.90%
C000271702 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.20%
C000271702 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000271702 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000271703 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50%
C000271703 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.80%
C000271703 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 44.20%
C000271703 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.30%
C000271703 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000271703 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
[1] Amount rounds to less than 0.1%.
[2] Amount rounds to less than 0.1%.